非谓语动词 --- 动名词 动名词的构成: 时态 语态 一般时 完成时 主动式( not) v+ing (not) having+ done 被动式 (not) being+ done (not)having+ been+done 1
动名词作主语: a
可用 it 作主语,将 -ing 放后
Reading by dim light will do harm to your eyes
It is no use crying over spilt milk
It is a pleasure doing business with Harry
It is fun/nice working with you
It’s a waste of time wandering through high school
在“ There is no doing” 结构中用 -ing 形式作主语,表示“没法…”
There’s no telling/knowing that-clauseThere was no telling whether it would rain again
※There is no point/sense (in) doing sth
做某事没有作用或没有意义 There is (no) hope/chance /possibility of doing…
There is (no) difficulty/trouble/delay (in) doing… Is there any chance of us/ our winning the match
There is no point/sense (in) discussing the problem again
动名词做主语往往表示经常性、习惯性的动作 It's rat